Home / 7,171.62-9,897.24-4,028.01

Finding the Fourth Proportional to 7,171.62, 9,897.24 and 4,028.01

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Solution

The fourth proportional to 7,171.62, 9,897.24 and 4,028.01 is: 5,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.62 : 9,897.24 = 4,028.01 : x
  2. Step 2: Convert to fraction form
    7,171.62/9,897.24 = 4,028.01/x
  3. Step 3: Cross multiply
    7,171.62x = 9,897.24 × 4,028.01
  4. Step 4: Simplify right side
    7,171.62x = 39,866,181.69
  5. Step 5: Solve for x
    x = 39,866,181.69/7,171.62
  6. Step 6: Final answer
    x = 5,558.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.